/Engine/Source/Editor/PropertyEditor/Public/PropertyHandle.h
Creates the default buttons which appear next to value widgets. This is useful when creating customizations which don't use CreatePropertyValueWidget but you still want array item behaviors and reset to default capabilities.
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > CreateDefaultPropertyButtonWidgets() const